Question

Given f(x)=2x+1 evaluate f(4) Please help with this question.

Answer 1

Wherever we see an x , we just input 4 to find f ( 4 ) : f ( 4 ) = 2 ( 4 ) − 1 = 8 − 1 = 7

Hope this helps

Answer 2

9

Explanation:

f(x)=2x+1

f(4)=2 x 4+1

= 8+1

= 9